Institution: | a Department of Chemistry, University of Oslo, PO Box 1033, Blindern, N-0315 Oslo, Norway b Research and Development, Pronova BioPharma Norge AS, PO Box 2109, N-3202 Sandefjord, Norway c Faculty of Health Sciences, Oslo University College, PO Box 4, St. Olavs Plass, N-0130 Oslo, Norway |